Hello, the modechange flag needs to be DEV_UMASS5. Works great now.
Index: umsm.c =================================================================== RCS file: /cvs/src/sys/dev/usb/umsm.c,v retrieving revision 1.63 diff -u -r1.63 umsm.c --- umsm.c 20 May 2010 11:31:34 -0000 1.63 +++ umsm.c 13 Jun 2010 15:47:39 -0000 @@ -128,7 +128,7 @@ {{ USB_VENDOR_DELL, USB_PRODUCT_DELL_U740 }, 0}, {{ USB_VENDOR_DELL, USB_PRODUCT_DELL_W5500 }, 0}, - {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E161 }, DEV_UMASS1}, + {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E161 }, DEV_UMASS5}, {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E180 }, DEV_HUAWEI}, {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220 }, DEV_HUAWEI}, {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E510 }, DEV_HUAWEI}, According to Linux' usb_modeswitch the following devices all report themselves as Product ID 0x1446 and all need the same DEV_UMASS5 magic sent to them: Huawei E270+ Huawei E1762 Huawei E1820 Huawei E1550 Huawei E1750 Huawei E1612 Huawei E1690 Huawei E1692 Huawei E1762 Maybe the internal identifier should be changed to more accurately reflect the range of products. It appears they are all rather new devices, from 2009 onwards. Regards, David dmesg excerpt, modechange umsm0 at uhub0 port 1 configuration 1 interface 0 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 umsm1 at uhub0 port 1 configuration 1 interface 1 "HUAWEI Technologies HUAWEI Mobile E161" rev 2.00/0.00 addr 2 umsm0 detached umsm1 detached umsm0 at uhub0 port 1 configuration 1 interface 0 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom0 at umsm0 umsm1 at uhub0 port 1 configuration 1 interface 1 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom1 at umsm1 umsm2 at uhub0 port 1 configuration 1 interface 2 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom2 at umsm2 umsm3 at uhub0 port 1 configuration 1 interface 3 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 umsm4 at uhub0 port 1 configuration 1 interface 4 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 dmesg, warm reboot, no modechange, already in right mode OpenBSD 4.7-current (GENERIC) #1: Sat Jun 12 19:58:27 CEST 2010 r...@openbsd.localdomain:/usr/src/sys/arch/i386/compile/GENERIC cpu0: Intel Pentium III ("GenuineIntel" 686-class, 512KB L2 cache) 335 MHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PSE36,MMX,FXSR,SSE real mem = 133709824 (127MB) avail mem = 120410112 (114MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 10/15/01, BIOS32 rev. 0 @ 0xf06c0, SMBIOS rev. 2.3 @ 0xf1f50 (45 entries) bios0: vendor Award Software, Inc. version "ASUS P3B-F ACPI BIOS Revision 1008 Beta 004" date 10/15/2001 bios0: ASUSTeK Computer INC. <P3B-F> apm0 at bios0: Power Management spec V1.2 (BIOS management disabled) apm0: APM power management enable: unrecognized device ID (9) apm0: APM engage (device 1): power management disabled (1) apm0: AC on, battery charge unknown acpi at bios0 function 0x0 not configured pcibios0 at bios0: rev 2.1 @ 0xf0000/0xf22 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf0e80/160 (8 entries) pcibios0: PCI Interrupt Router at 000:04:0 ("Intel 82371FB ISA" rev 0x00) pcibios0: PCI bus #1 is the last bus bios0: ROM list: 0xc0000/0x8000 0xc8000/0x800 0xcc000/0x800 cpu0 at mainbus0: (uniprocessor) pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel 82443BX AGP" rev 0x03 intelagp0 at pchb0 agp0 at intelagp0: aperture at 0xe4000000, size 0x4000000 ppb0 at pci0 dev 1 function 0 "Intel 82443BX AGP" rev 0x03 pci1 at ppb0 bus 1 vga1 at pci1 dev 0 function 0 "Matrox MGA G200 AGP" rev 0x03 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) piixpcib0 at pci0 dev 4 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02 pciide0 at pci0 dev 4 function 1 "Intel 82371AB IDE" rev 0x01: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility wd0 at pciide0 channel 0 drive 0: <TRANSCEND> wd0: 1-sector PIO, LBA, 1946MB, 3985632 sectors wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 pciide0: channel 1 disabled (no drives) uhci0 at pci0 dev 4 function 2 "Intel 82371AB USB" rev 0x01: irq 5 piixpm0 at pci0 dev 4 function 3 "Intel 82371AB Power" rev 0x02: SMI iic0 at piixpm0 lm1 at iic0 addr 0x2d: AS99127F rev 2 iic0: addr 0x2f d0=00 d1=00 d2=00 d3=00 d4=00 e0=00 e1=00 e2=00 e3=00 e4=00 e5=00 e6=00 e7=00 e8=00 e9=00 ea=00 eb=00 f6=f8 f7=10 words 00=ffff 01=ffff 02=ffff 03=ffff 04=ffff 05=ffff 06=ffff 07=ffff xl0 at pci0 dev 10 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 12, address 00:01:02:a4:ed:a8 bmtphy0 at xl0 phy 24: 3C905C internal PHY, rev. 6 xl1 at pci0 dev 11 function 0 "3Com 3c905C 100Base-TX" rev 0x74: irq 10, address 00:04:76:e8:41:30 bmtphy1 at xl1 phy 24: 3C905C internal PHY, rev. 6 isa0 at piixpcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 biomask eb65 netmask ff65 ttymask ffff mtrr: Pentium Pro MTRR support umsm0 at uhub0 port 1 configuration 1 interface 0 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom0 at umsm0 umsm1 at uhub0 port 1 configuration 1 interface 1 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom1 at umsm1 umsm2 at uhub0 port 1 configuration 1 interface 2 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 ucom2 at umsm2 umsm3 at uhub0 port 1 configuration 1 interface 3 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 umsm4 at uhub0 port 1 configuration 1 interface 4 "HUAWEI Technology HUAWEI Mobile" rev 2.00/0.00 addr 2 vscsi0 at root scsibus0 at vscsi0: 256 targets softraid0 at root root on wd0a swap on wd0b dump on wd0b usbdevs -dv Controller /dev/usb0: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x8086), rev 1.00 uhub0 port 1 addr 2: full speed, self powered, config 1, HUAWEI Mobile(0x1001), HUAWEI Technology(0x12d1), rev 0.00 umsm0 umsm1 umsm2 umsm3 port 2 powered